The horizon is not a boundary, but an invitation.

It is a profound mistake to think that every thing has been discovered; as well think the horizon the boundary of the world.

— Antoine-Marin Lemierre

Space is a laboratory, an experiment in all forms of all things, an infinity of possibilities, properties, and places that cry out for investigation…

— Rick Tumlinson

“The horizon is not for conquest but for curiosity.”

— Lawrence Nault

A boundary is not that at which something stops, but that from which something begins.

— Martin Heidegger

“Setting a boundary” means protecting your joy and well-being by telling someone to stop a harmful behavior. Practice setting a boundary try saying: “I…

— Lauren Martin

“When entering a new relationship, set solid boundary lines and do not allow yourself to leap over them.”

— Asa Don Brown

“You can only exceed your limits if you’ve discovered them.”

— Roel van Sleeuwen

Boundary, n. In political geography, an imaginary line between two nations, separating the imaginary rights of one from the imaginary rights of another.

— Ambrose Bierce

The kinds of roles dogs fill can be hard to come by in human relationships. We touch the dog or the pet at whim.…

— Caroline Knapp

Only if you reach the boundary will the boundary recede before you. And if you don't, if you confine your efforts, the boundary will…

— Hugh Nibley

“Spread love without boundary”

— Rashid Jorvee

It was important for me to remind people that there's no formula... there's no boundary to R&B music.

— Miguel

The boundary of man is moderation. When once we pass that pale our guardian angel quits his charge of us.

— Owen Feltham

There are reasons people seek escape in books, and one of those reasons is that the boundary of what can happen is beyond what…

— James Patterson

I realized I couldn't be a journalist because I like to take a side, to have an opinion and a point a view; I…

— Annie Leibovitz